"Methylprednisolone Injections for the Carpal Tunnel Syndrome"
Annals Sep 3
http://annals.org/article.aspx?articleid=1733275
"Conclusion: Methylprednisolone injections for CTS have significant benefits in relieving symptoms at 10 weeks and reducing the rate of surgery 1 year after treatment, but 3 out of 4 patients had surgery within 1 year."